Oman VAT Validation
Validate Oman VAT Registration Number Online
Verify Oman VAT Registration Numbers (Standardized Service Numbers) against the Oman Tax Authority (OTA). Confirm registration status and retrieve entity details for VAT-registered businesses instantly.
Understanding Oman VAT Number Format
The Oman VAT Registration Number (Standardized Service Number) is a 12-character identifier: the country prefix 'OM' followed by 10 digits. Issued by the Oman Tax Authority (OTA), which introduced VAT in Oman in April 2021 at a standard rate of 5%.
Prefix
Number
- ✓ OM Prefix + 10 Digits: All Oman VAT numbers begin with the country code "OM" followed by exactly 10 numeric digits, giving a total length of 12 characters.
- ✓ OTA Issuance: Issued by the Oman Tax Authority (OTA), established under Royal Decree 76/2019. VAT was introduced in Oman on 16 April 2021 at a standard rate of 5%, making the OTA the central authority for VAT registration and compliance.
- ✓ Mandatory on Tax Invoices: Businesses registered for VAT in Oman must display their VAT Registration Number on all tax invoices. The threshold for mandatory VAT registration is OMR 38,500 in annual taxable supplies.
Frequently Asked Questions
What is an Oman VAT Registration Number?
The Oman VAT Registration Number (Standardized Service Number) is a 12-character identifier (OM + 10 digits) issued by the Oman Tax Authority (OTA) to businesses registered for VAT. Oman introduced VAT in April 2021 at a standard rate of 5%. The number is required on all tax invoices and official correspondence with the OTA. Validate Omani VAT numbers at scale with Lookuptax.
Who needs an Oman VAT Registration Number?
Businesses in Oman with annual taxable supplies exceeding OMR 38,500 are required to register for VAT with the OTA. Voluntary registration is available for businesses above OMR 19,250. Foreign businesses supplying taxable goods or services in Oman may also need to register. Verify supplier VAT status before transacting — try Lookuptax free.
Is VAT number validation mandatory for invoices?
Yes. Oman's VAT law requires that a valid VAT Registration Number appear on all tax invoices issued by registered businesses. Accepting invoices with invalid or unregistered VAT numbers can result in denial of input tax credits and compliance penalties. Automate invoice VAT checks with the Lookuptax API.
Can I validate Oman VAT numbers via API?
Yes. The Lookuptax API accepts Oman VAT Registration Numbers in the OM + 10-digit format and returns entity name, OTA registration status, and reference details in a structured JSON response. Integrate into your ERP, accounts payable system, or KYC workflow in minutes. Sign up free to get started.
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